3543856189 has 4 divisors (see below), whose sum is σ = 3639636124. Its totient is φ = 3448076256.

The previous prime is 3543856177. The next prime is 3543856207. The reversal of 3543856189 is 9816583453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9816583453 = 19 ⋅516662287.

It can be written as a sum of positive squares in 2 ways, for example, as 2636822500 + 907033689 = 51350^2 + 30117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3543856189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3543856489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47889912 + ... + 47889985.

It is an arithmetic number, because the mean of its divisors is an integer number (909909031).

Almost surely, 2^3543856189 is an apocalyptic number.

It is an amenable number.

3543856189 is a deficient number, since it is larger than the sum of its proper divisors (95779935).

3543856189 is an equidigital number, since it uses as much as digits as its factorization.

3543856189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95779934.

The product of its digits is 3110400, while the sum is 52.

The square root of 3543856189 is about 59530.2963960369. The cubic root of 3543856189 is about 1524.6097633048.

The spelling of 3543856189 in words is "three billion, five hundred forty-three million, eight hundred fifty-six thousand, one hundred eighty-nine".